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- Title
Asymptotic output tracking control with prescribed transient performance of nonlinear systems in the presence of unknown dynamics.
- Authors
Liu, Yong‐Hua; Chen, Lang‐Lei; Zhou, Qi; Su, Chun‐Yi
- Abstract
In this article, we address the problem of asymptotic output tracking control with prescribed transient performance for a class of nonlinear systems in the presence of unknown dynamics. By fusing the funnel control approach and the tool of barrier Lyapunov function, a smooth adaptive tracking control strategy is developed in a recursive manner. In the proposed design, a new barrier Lyapunov function is adopted to eliminate the effects of unknown nonlinear dynamics, ensuring the prescribed transient behavior of the output tracking. The distinctive characteristic of the proposed method is that the designed control algorithm can guarantee not only prescribed output tracking performance but also global asymptotic stability without incorporating any prior knowledge of nonlinear dynamics or even corresponding bounding functions. Three illustrative examples are provided to testify the effectiveness of the proposed method.
- Subjects
NONLINEAR systems; GLOBAL asymptotic stability; LYAPUNOV functions; TRACKING algorithms; ADAPTIVE control systems; NONLINEAR control theory
- Publication
International Journal of Robust & Nonlinear Control, 2022, Vol 32, Issue 17, p9363
- ISSN
1049-8923
- Publication type
Article
- DOI
10.1002/rnc.6336